22143064448 has 16 divisors (see below), whose sum is σ = 44113136460. Its totient is φ = 11071532160.

The previous prime is 22143064403. The next prime is 22143064483. The reversal of 22143064448 is 84446034122.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86496218 + ... + 86496473.

Almost surely, 2^22143064448 is an apocalyptic number.

It is an amenable number.

22143064448 is a deficient number, since it is larger than the sum of its proper divisors (21970072012).

22143064448 is an equidigital number, since it uses as much as digits as its factorization.

22143064448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172992705 (or 172992693 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 38.

The spelling of 22143064448 in words is "twenty-two billion, one hundred forty-three million, sixty-four thousand, four hundred forty-eight".